50051105601001 has 2 divisors, whose sum is σ = 50051105601002. Its totient is φ = 50051105601000.

The previous prime is 50051105600999. The next prime is 50051105601061. The reversal of 50051105601001 is 10010650115005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30084292557225 + 19966813043776 = 5484915^2 + 4468424^2 .

It is a cyclic number.

It is not a de Polignac number, because 50051105601001 - 2¹ = 50051105600999 is a prime.

It is a super-2 number, since 2×50051105601001² (a number of 28 digits) contains 22 as substring.

Together with 50051105600999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50051105601061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025552800500 + 25025552800501.

It is an arithmetic number, because the mean of its divisors is an integer number (25025552800501).

Almost surely, 2^{50051105601001} is an apocalyptic number.

It is an amenable number.

50051105601001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50051105601001 is an equidigital number, since it uses as much as digits as its factorization.

50051105601001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 50051105601001 its reverse (10010650115005), we get a palindrome (60061755716006).

The spelling of 50051105601001 in words is "fifty trillion, fifty-one billion, one hundred five million, six hundred one thousand, one".